/*
- * Copyright (c) 2000-2004 Apple Computer, Inc. All rights reserved.
+ * Copyright (c) 2000-2009 Apple Inc. All rights reserved.
*
- * @APPLE_LICENSE_HEADER_START@
+ * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
*
- * The contents of this file constitute Original Code as defined in and
- * are subject to the Apple Public Source License Version 1.1 (the
- * "License"). You may not use this file except in compliance with the
- * License. Please obtain a copy of the License at
- * http://www.apple.com/publicsource and read it before using this file.
+ * This file contains Original Code and/or Modifications of Original Code
+ * as defined in and that are subject to the Apple Public Source License
+ * Version 2.0 (the 'License'). You may not use this file except in
+ * compliance with the License. The rights granted to you under the License
+ * may not be used to create, or enable the creation or redistribution of,
+ * unlawful or unlicensed copies of an Apple operating system, or to
+ * circumvent, violate, or enable the circumvention or violation of, any
+ * terms of an Apple operating system software license agreement.
*
- * This Original Code and all software distributed under the License are
- * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
+ * Please obtain a copy of the License at
+ * http://www.opensource.apple.com/apsl/ and read it before using this file.
+ *
+ * The Original Code and all software distributed under the License are
+ * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
* EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
* INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT. Please see the
- * License for the specific language governing rights and limitations
- * under the License.
+ * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
+ * Please see the License for the specific language governing rights and
+ * limitations under the License.
*
- * @APPLE_LICENSE_HEADER_END@
+ * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
*/
/* Copyright (c) 1995 NeXT Computer, Inc. All Rights Reserved */
/*
*
* @(#)kern_xxx.c 8.2 (Berkeley) 11/14/93
*/
-
-#include <cputypes.h>
+/*
+ * NOTICE: This file was modified by SPARTA, Inc. in 2005 to introduce
+ * support for mandatory and extensible security protections. This notice
+ * is included in support of clause 2.2 (b) of the Apple Public License,
+ * Version 2.0.
+ */
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/kernel.h>
-#include <sys/proc.h>
+#include <sys/proc_internal.h>
+#include <sys/kauth.h>
#include <sys/reboot.h>
#include <sys/vm.h>
#include <sys/sysctl.h>
#include <sys/buf.h>
-#include <bsm/audit_kernel.h>
-
-#include <sys/mount.h>
+#include <security/audit/audit.h>
-#if COMPAT_43
-/* ARGSUSED */
-int
-ogethostid(p, uap, retval)
-struct proc *p;
-void *uap;
-register_t *retval;
-{
+#include <sys/mount_internal.h>
+#include <sys/sysproto.h>
+#if CONFIG_MACF
+#include <security/mac_framework.h>
+#endif
- *retval = hostid;
- return 0;
-}
+int pshm_cache_purge_all(proc_t p);
+int psem_cache_purge_all(proc_t p);
-struct osethostid_args {
- long hostid;
-};
-/* ARGSUSED */
int
-osethostid(p, uap, retval)
-struct proc *p;
-register struct osethostid_args *uap;
-register_t *retval;
+reboot(struct proc *p, struct reboot_args *uap, __unused int32_t *retval)
{
- int error;
-
- if (error = suser(p->p_ucred, &p->p_acflag))
- return (error);
- hostid = uap->hostid;
- return (0);
+ char message[256];
+ int error=0;
+ size_t dummy=0;
+#if CONFIG_MACF
+ kauth_cred_t my_cred;
+#endif
-}
+ AUDIT_ARG(cmd, uap->opt);
-struct ogethostname_args {
- char *hostname;
- u_int len;
-};
-/* ARGSUSED */
-int
-ogethostname(p, uap, retval)
-struct proc *p;
-register struct ogethostname_args *uap;
-register_t *retval;
-{
- int name;
+ message[0] = '\0';
- name = KERN_HOSTNAME;
+ if ((error = suser(kauth_cred_get(), &p->p_acflag))) {
+#if (DEVELOPMENT || DEBUG)
+ /* allow non-root user to call panic on dev/debug kernels */
+ if (!(uap->opt & RB_PANIC))
+ return error;
+#else
+ return error;
+#endif
+ }
- return (kern_sysctl(&name, 1, uap->hostname, &uap->len, 0, 0));
-}
+ if (uap->opt & RB_COMMAND)
+ return ENOSYS;
-struct osethostname_args {
- char *hostname;
- u_int len;
-};
-/* ARGSUSED */
-int
-osethostname(p, uap, retval)
-struct proc *p;
-register struct osethostname_args *uap;
-register_t *retval;
-{
- int name;
- int error;
+ if (uap->opt & RB_PANIC) {
+ error = copyinstr(uap->command, (void *)message, sizeof(message), (size_t *)&dummy);
+ }
- if (error = suser(p->p_ucred, &p->p_acflag))
+#if CONFIG_MACF
+#if (DEVELOPMENT || DEBUG)
+ if (uap->opt & RB_PANIC) {
+ /* on dev/debug kernels: allow anyone to call panic */
+ goto skip_cred_check;
+ }
+#endif
+ if (error)
return (error);
-
- name = KERN_HOSTNAME;
- return (kern_sysctl(&name, 1, 0, 0, uap->hostname,
- uap->len));
-}
-
-struct ogetdomainname_args {
- char *domainname;
- int len;
-};
-/* ARGSUSED */
-int
-ogetdomainname(p, uap, retval)
-struct proc *p;
-register struct ogetdomainname_args *uap;
-register_t *retval;
-{
- int name;
-
- name = KERN_DOMAINNAME;
- return (kern_sysctl(&name, 1, uap->domainname,
- &uap->len, 0, 0));
+ my_cred = kauth_cred_proc_ref(p);
+ error = mac_system_check_reboot(my_cred, uap->opt);
+ kauth_cred_unref(&my_cred);
+#if (DEVELOPMENT || DEBUG)
+skip_cred_check:
+#endif
+#endif
+ if (!error) {
+ OSBitOrAtomic(P_REBOOT, &p->p_flag); /* No more signals for this proc */
+ error = reboot_kernel(uap->opt, message);
+ }
+ return(error);
}
-struct osetdomainname_args {
- char *domainname;
- u_int len;
-};
-/* ARGSUSED */
int
-osetdomainname(p, uap, retval)
-struct proc *p;
-register struct osetdomainname_args *uap;
-register_t *retval;
-{
- int name;
- int error;
-
- if (error = suser(p->p_ucred, &p->p_acflag))
- return (error);
- name = KERN_DOMAINNAME;
- return (kern_sysctl(&name, 1, 0, 0, uap->domainname,
- uap->len));
-}
-#endif /* COMPAT_43 */
-
-struct reboot_args {
- int opt;
- char *command;
-};
-
-reboot(p, uap, retval)
-struct proc *p;
-register struct reboot_args *uap;
-register_t *retval;
+usrctl(struct proc *p, __unused struct usrctl_args *uap, __unused int32_t *retval)
{
- char command[64];
- int error;
- int dummy=0;
+ if (p != initproc) {
+ return EPERM;
+ }
- AUDIT_ARG(cmd, uap->opt);
- command[0] = '\0';
+ int error = 0;
+ error = pshm_cache_purge_all(p);
+ if (error)
+ return error;
- if (error = suser(p->p_cred->pc_ucred, &p->p_acflag))
- return(error);
-
- if (uap->opt & RB_COMMAND)
- error = copyinstr((void *)uap->command,
- (void *)command, sizeof(command), (size_t *)&dummy);
- if (!error) {
- SET(p->p_flag, P_REBOOT); /* No more signals for this proc */
- boot(RB_BOOT, uap->opt, command);
- }
- return(error);
+ error = psem_cache_purge_all(p);
+ return error;
}
-
projects / apple / xnu.git / blobdiff